<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>student_list</title>
    <script src="../../前端开发/vue.js"></script>

</head>
<body>
    <div id="app">
        <button @click="add">添加学生</button>
        <button @click="del">删除学生</button>
        <table border="1" width="50%" style="border-collapse: collapse;">
            <tr>
                <th>班级</th>
                <th>姓名</th>
                <th>性别</th>
                <th>年龄</th>
            </tr>
            <tr align="center" v-for="item in students">
                <td>{{item.grade}}</td>
                <td>{{item.name}}</td>
                <td>{{item.gender}}</td>
                <td>{{item.age}}</td>

            </tr>

        </table>
    </div>
    <script>
        var vm = new Vue({
            el: '#app',
            data: {
                students: []
            },
            methods: {
                //添加学生信息
                add () {
                    var student = {grade: '1', name: '王兆杰', gender: '男', age: 25}
                    this.students.push(student)
                },
                //删除学生信息
                del () {
                    this.students.pop()
                }
            }
        })
    </script>
    
</body>
</html>